Improvement in ironing-machines



G. W..' HQCALVER.

Improvement in Ironing-Machines N0 .131,052. Patented Sep.3,1872.

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WITNESSES:

INVE'NTQVR: Rom/M1 L WWW UNITED STATES PATENT QFFIOE.

GEORGE W. H. OALVER, OF BURLINGTON, NEW JERSEY.

IMPROVEMENT IN IRONI NG-MACHINES.

Specification forming part of Letters Patent No. 131,052, datedSeptember 3,1872.

of Burlington and State of New Jersey.

This invention has for its object to improve that class ofclothes-ironing machines in which tubular revolving rollers are employedto effect the ironing operation. The principal feature of my inventionconsists in the employment of a pair of tubular ironing-rollers, whichare provided with an attachment for the reception of gas-heatingdevices, thus avoiding the disadvantages and expense arising from theuse of steam or hot air, as generally used. The second part of myinvention relates to a method of insulating the ends of a springemployed for exerting pressure upon the ironing-rollers by means ofplates or blocks interposed between the spring and rollers, thuspreventing the injurious action of the heat upon the temper of theformer. The third feature of -my invention consists inthe application,to the inner surface of the ironing-cylinders, of annular flanges forpreventing the escape of the scales, dust, &c., collecting within thesame. The fourth part of my invention has for its object to furnishmeans for admitting the air necessary for the proper combustion of thegas at both ends of the cylinders; and cong are detail views of themetallic heating-bolt.

Figs. 8 and 9 represent devices for manipulating said bolt. Figs. 10 and11 represent detachable frames for applying the gas-heating apparatus tothe rollers.

A A represent the frame of the machine, in which are located therevolving ironingrollersB B, situated one above the other. 0 O

are annular flanges or ridges formed on the inner surface of therollers, near their ends, for preventing dust, scales, and other foreignsubstances collecting within the rollers from dropping on theironing-table or clothes. Said flanges are raised a suitable distance toaccomplish the result above mentioned, but are not sufficiently large toprevent the free inser tion of the heating devices. D D representsectional boxes adapted to receive the ends of the ironing-rollers andmovable in a vertical direction within the frame of the machine. Thesides of the boxes are grooved to receive a corresponding tongue on theframe, and their inner faces are lined with a suitable anti-frictionmetal. E E are inwardly-beveled cleats attached to the journal-boxes forthe purpose of receiving the detachable frames R S represented in Figs.10 and 11, the same being provided with appropriate tongues interlockingwith the cleats. W, in Fig. 10, represents the gas-tube, which isminutely perforated, and adapted to be inserted into the rollers throughthe openings T T formed in the attachingframes R S. The central positionwithin the rollers of said gas heating tube is always maintained,notwithstanding the various positions they may be in as the framescarrying the heating-tubes are movable with the journal-boxes of therollers. F represents the device for insulating the pressure-spring,consisting of a horizontal plate with projecting tapering lugs G formedon its lower side, which rest upon the top of the journal-boxes, andthus form passages for air. I is a bent metallic spring, the ends ofwhich rest in depressions H formed in the upper surface of theinsulating-plate F, and the central portion of which is, by means of abolt, K, secured to a transverse bar, J Said bar J, in connection withthe thumb-screws a a, serves as a medium for regulating the tension orpressure of the spring upon the journal-boxes. N is the table supportingthe frame-of the machine, at one end of which is situated a pan, M, forreceiving any substances dropping from the projecting ends L L of theironing-rollers. The rollers are connected by gearing O O, and receive asimultaneous rotation by'means of the handle or cranli P. Q, in Fig. 5,represents a perforated plug longitudinally grooved, and adapted forinsertion into the ends of the ironing rollers. Said plug is furtherprovided with a journal for the attachment of the cogwheels andoperating-crank, so that when gas is employed to heat the rollers thenecessary air for securing a perfect combustion is admitted at both endsof the rollers. When solid metallic bolts represented at w w, Figs.

6 and 7, are used for heating purposes a plug without perforationsshould be used. Said bolt 00 is provided with a hole in one end for theinsertion of the handled rod y, and also with a depression in its face,which is crossed by a wire, forming an eye, for the purpose of removingit from the .fire. Z, Fig. 9, represents a second devicefor manipulatingthe heating-bolt, consisting of a vertical rod provided with an eye orring at its lower end and having a horizontal wooden handle at its upperend.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination of the tubular ironingrollers B B and slidingjournal-boxes D D, when the latter are provided with cleats E E, orequivalent devices for attaching the frames internal annular flanges GG, as and for the purpose specified.

4. The detachableperforated plug Q adapted for insertion into the end ofthe ironing-rollers, and provided with a suitable journal for theapplication of gearing O O and hand-crank P, as set forth.

GEORGE W. H. OALVER.

Witnesses:

JAMES E. HAYS, I. L. POWELL.

